title: binary tags: function,beginner

Creates a function that accepts up to two arguments, ignoring any additional arguments.

Call the provided function, fn, with the first two arguments given.

export const binary = (fn: (...args: any[]) => any) => (...[v1, v2]: any[]) =>
  fn(v1, v2);

const max = binary(Math.max)(1, 2, 3);
assertEquals(max, 2);

["2", "1", "0"].map(binary(Math.max)); // [2, 1, 2]